About this trial
Prospective case-control study of children (3-15 years) after low-energy trauma. We compare serum bone metabolic markers (25OHD, PTH, ALP, calcium, phosphate), BMI/percentile, and dietary calcium intake between fracture and non-fracture presentations. Blood is collected within 7 days (non-fasting; samples on ice for PTH). Primary aim: association of ALP and calcium with fracture status; secondary aims: vitamin D status, BMI percentile, and a composite Bone Risk Score (≥3). Analyses: group comparisons, logistic regression, ROC.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
3-15 years;
low-energy trauma;
cases = radiographic fracture; controls = no fracture.
Disqualifiers
chronic renal/liver disease;
primary hypo-/hyperparathyroidism;
hypophosphatemic rickets;
neuromuscular disorders;
Trial population
Children and adolescents aged 3 to 15 years presenting to emergency services after low-energy trauma. Eligible participants include those with radiologically confirmed fractures (case group) and those with comparable trauma without fractures (control group). All participants are otherwise healthy and free from chronic conditions or treatments that may influence bone metabolism.
Trial design
Case-control
Prospective
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Serum 25-hydroxyvitamin D (nmol/L)
Blood level of vit D
BMI
Relation between BMI and Fracture
Secondary outcomes
Calcium, Phosphate, alkaline phosphatase
Serum level of bone metabolism markers
bone risk score
proportion with score ≥3
Sponsors and contacts
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